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cleanup QEMUOptionParameter 

Now that all backend drivers are using QemuOpts, remove all
QEMUOptionParameter related codes.

Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Chunyan Liu <cyliu@suse.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Chunyan Liu 2014-06-05 17:21:11 +08:00 committed by Stefan Hajnoczi
parent fec9921f0a
commit c282e1fdf7
24 changed files with 67 additions and 630 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

93
block.c
View File

@ -329,13 +329,6 @@ void bdrv_register(BlockDriver *bdrv)
}
}
if (bdrv->bdrv_create) {
assert(!bdrv->bdrv_create2 && !bdrv->create_opts);
assert(!bdrv->bdrv_amend_options2);
} else if (bdrv->bdrv_create2) {
assert(!bdrv->bdrv_create && !bdrv->create_options);
assert(!bdrv->bdrv_amend_options);
}
QLIST_INSERT_HEAD(&bdrv_drivers, bdrv, list);
}
@ -431,7 +424,6 @@ BlockDriver *bdrv_find_whitelisted_format(const char *format_name,
typedef struct CreateCo {
BlockDriver *drv;
char *filename;
QEMUOptionParameter *options;
QemuOpts *opts;
int ret;
Error *err;
@ -444,28 +436,8 @@ static void coroutine_fn bdrv_create_co_entry(void *opaque)
CreateCo *cco = opaque;
assert(cco->drv);
assert(!(cco->options && cco->opts));
if (cco->drv->bdrv_create2) {
QemuOptsList *opts_list = NULL;
if (cco->options) {
opts_list = params_to_opts(cco->options);
cco->opts = qemu_opts_create(opts_list, NULL, 0, &error_abort);
}
ret = cco->drv->bdrv_create2(cco->filename, cco->opts, &local_err);
if (cco->options) {
qemu_opts_del(cco->opts);
qemu_opts_free(opts_list);
}
} else {
if (cco->opts) {
cco->options = opts_to_params(cco->opts);
}
ret = cco->drv->bdrv_create(cco->filename, cco->options, &local_err);
if (cco->opts) {
free_option_parameters(cco->options);
}
}
ret = cco->drv->bdrv_create(cco->filename, cco->opts, &local_err);
if (local_err) {
error_propagate(&cco->err, local_err);
}
@ -473,7 +445,6 @@ static void coroutine_fn bdrv_create_co_entry(void *opaque)
}
int bdrv_create(BlockDriver *drv, const char* filename,
QEMUOptionParameter *options,
QemuOpts *opts, Error **errp)
{
int ret;
@ -482,13 +453,12 @@ int bdrv_create(BlockDriver *drv, const char* filename,
CreateCo cco = {
.drv = drv,
.filename = g_strdup(filename),
.options = options,
.opts = opts,
.ret = NOT_DONE,
.err = NULL,
};
if (!drv->bdrv_create && !drv->bdrv_create2) {
if (!drv->bdrv_create) {
error_setg(errp, "Driver '%s' does not support image creation", drv->format_name);
ret = -ENOTSUP;
goto out;
@ -519,8 +489,7 @@ out:
return ret;
}
int bdrv_create_file(const char* filename, QEMUOptionParameter *options,
QemuOpts *opts, Error **errp)
int bdrv_create_file(const char *filename, QemuOpts *opts, Error **errp)
{
BlockDriver *drv;
Error *local_err = NULL;
@ -532,7 +501,7 @@ int bdrv_create_file(const char* filename, QEMUOptionParameter *options,
return -ENOENT;
}
ret = bdrv_create(drv, filename, options, opts, &local_err);
ret = bdrv_create(drv, filename, opts, &local_err);
if (local_err) {
error_propagate(errp, local_err);
}
@ -1277,7 +1246,6 @@ void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp)
char *tmp_filename = g_malloc0(PATH_MAX + 1);
int64_t total_size;
BlockDriver *bdrv_qcow2;
QemuOptsList *create_opts = NULL;
QemuOpts *opts = NULL;
QDict *snapshot_options;
BlockDriverState *bs_snapshot;
@ -1303,20 +1271,11 @@ void bdrv_append_temp_snapshot(BlockDriverState *bs, int flags, Error **errp)
}
bdrv_qcow2 = bdrv_find_format("qcow2");
assert(!(bdrv_qcow2->create_options && bdrv_qcow2->create_opts));
if (bdrv_qcow2->create_options) {
create_opts = params_to_opts(bdrv_qcow2->create_options);
} else {
create_opts = bdrv_qcow2->create_opts;
}
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
opts = qemu_opts_create(bdrv_qcow2->create_opts, NULL, 0,
&error_abort);
qemu_opt_set_number(opts, BLOCK_OPT_SIZE, total_size);
ret = bdrv_create(bdrv_qcow2, tmp_filename, NULL, opts, &local_err);
ret = bdrv_create(bdrv_qcow2, tmp_filename, opts, &local_err);
qemu_opts_del(opts);
if (bdrv_qcow2->create_options) {
qemu_opts_free(create_opts);
}
if (ret < 0) {
error_setg_errno(errp, -ret, "Could not create temporary overlay "
"'%s': %s", tmp_filename,
@ -5579,10 +5538,8 @@ void bdrv_img_create(const char *filename, const char *fmt,
return;
}
create_opts = qemu_opts_append(create_opts, drv->create_opts,
drv->create_options);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts,
proto_drv->create_options);
create_opts = qemu_opts_append(create_opts, drv->create_opts);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
/* Create parameter list with default values */
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
@ -5675,7 +5632,7 @@ void bdrv_img_create(const char *filename, const char *fmt,
puts("");
}
ret = bdrv_create(drv, filename, NULL, opts, &local_err);
ret = bdrv_create(drv, filename, opts, &local_err);
if (ret == -EFBIG) {
/* This is generally a better message than whatever the driver would
@ -5769,36 +5726,12 @@ void bdrv_add_before_write_notifier(BlockDriverState *bs,
notifier_with_return_list_add(&bs->before_write_notifiers, notifier);
}
int bdrv_amend_options(BlockDriverState *bs, QEMUOptionParameter *options,
QemuOpts *opts)
int bdrv_amend_options(BlockDriverState *bs, QemuOpts *opts)
{
int ret;
assert(!(options && opts));
if (!bs->drv->bdrv_amend_options && !bs->drv->bdrv_amend_options2) {
if (!bs->drv->bdrv_amend_options) {
return -ENOTSUP;
}
if (bs->drv->bdrv_amend_options2) {
QemuOptsList *opts_list = NULL;
if (options) {
opts_list = params_to_opts(options);
opts = qemu_opts_create(opts_list, NULL, 0, &error_abort);
}
ret = bs->drv->bdrv_amend_options2(bs, opts);
if (options) {
qemu_opts_del(opts);
qemu_opts_free(opts_list);
}
} else {
if (opts) {
options = opts_to_params(opts);
}
ret = bs->drv->bdrv_amend_options(bs, options);
if (opts) {
free_option_parameters(options);
}
}
return ret;
return bs->drv->bdrv_amend_options(bs, opts);
}
/* This function will be called by the bdrv_recurse_is_first_non_filter method

4
block/cow.c
View File

@ -338,7 +338,7 @@ static int cow_create(const char *filename, QemuOpts *opts, Error **errp)
image_sectors = qemu_opt_get_size_del(opts, BLOCK_OPT_SIZE, 0) / 512;
image_filename = qemu_opt_get_del(opts, BLOCK_OPT_BACKING_FILE);
ret = bdrv_create_file(filename, NULL, opts, &local_err);
ret = bdrv_create_file(filename, opts, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
goto exit;
@ -412,7 +412,7 @@ static BlockDriver bdrv_cow = {
.bdrv_probe = cow_probe,
.bdrv_open = cow_open,
.bdrv_close = cow_close,
.bdrv_create2 = cow_create,
.bdrv_create = cow_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_read = cow_co_read,

8
block/gluster.c
View File

@ -725,7 +725,7 @@ static BlockDriver bdrv_gluster = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create2 = qemu_gluster_create,
.bdrv_create = qemu_gluster_create,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@ -752,7 +752,7 @@ static BlockDriver bdrv_gluster_tcp = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create2 = qemu_gluster_create,
.bdrv_create = qemu_gluster_create,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@ -779,7 +779,7 @@ static BlockDriver bdrv_gluster_unix = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create2 = qemu_gluster_create,
.bdrv_create = qemu_gluster_create,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,
@ -806,7 +806,7 @@ static BlockDriver bdrv_gluster_rdma = {
.bdrv_reopen_commit = qemu_gluster_reopen_commit,
.bdrv_reopen_abort = qemu_gluster_reopen_abort,
.bdrv_close = qemu_gluster_close,
.bdrv_create2 = qemu_gluster_create,
.bdrv_create = qemu_gluster_create,
.bdrv_getlength = qemu_gluster_getlength,
.bdrv_get_allocated_file_size = qemu_gluster_allocated_file_size,
.bdrv_truncate = qemu_gluster_truncate,

2
block/iscsi.c
View File

@ -1605,7 +1605,7 @@ static BlockDriver bdrv_iscsi = {
.bdrv_needs_filename = true,
.bdrv_file_open = iscsi_open,
.bdrv_close = iscsi_close,
.bdrv_create2 = iscsi_create,
.bdrv_create = iscsi_create,
.create_opts = &iscsi_create_opts,
.bdrv_reopen_prepare = iscsi_reopen_prepare,

2
block/nfs.c
View File

@ -457,7 +457,7 @@ static BlockDriver bdrv_nfs = {
.bdrv_file_open = nfs_file_open,
.bdrv_close = nfs_file_close,
.bdrv_create2 = nfs_file_create,
.bdrv_create = nfs_file_create,
.bdrv_co_readv = nfs_co_readv,
.bdrv_co_writev = nfs_co_writev,

4
block/qcow.c
View File

@ -712,7 +712,7 @@ static int qcow_create(const char *filename, QemuOpts *opts, Error **errp)
flags |= BLOCK_FLAG_ENCRYPT;
}
ret = bdrv_create_file(filename, NULL, opts, &local_err);
ret = bdrv_create_file(filename, opts, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
goto cleanup;
@ -939,7 +939,7 @@ static BlockDriver bdrv_qcow = {
.bdrv_open = qcow_open,
.bdrv_close = qcow_close,
.bdrv_reopen_prepare = qcow_reopen_prepare,
.bdrv_create2 = qcow_create,
.bdrv_create = qcow_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_readv = qcow_co_readv,

6
block/qcow2.c
View File

@ -1627,7 +1627,7 @@ static int qcow2_create2(const char *filename, int64_t total_size,
Error *local_err = NULL;
int ret;
ret = bdrv_create_file(filename, NULL, opts, &local_err);
ret = bdrv_create_file(filename, opts, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
return ret;
@ -2393,7 +2393,7 @@ static BlockDriver bdrv_qcow2 = {
.bdrv_open = qcow2_open,
.bdrv_close = qcow2_close,
.bdrv_reopen_prepare = qcow2_reopen_prepare,
.bdrv_create2 = qcow2_create,
.bdrv_create = qcow2_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_get_block_status = qcow2_co_get_block_status,
.bdrv_set_key = qcow2_set_key,
@ -2425,7 +2425,7 @@ static BlockDriver bdrv_qcow2 = {
.create_opts = &qcow2_create_opts,
.bdrv_check = qcow2_check,
.bdrv_amend_options2 = qcow2_amend_options,
.bdrv_amend_options = qcow2_amend_options,
};
static void bdrv_qcow2_init(void)

4
block/qed.c
View File

@ -586,7 +586,7 @@ static int qed_create(const char *filename, uint32_t cluster_size,
int ret = 0;
BlockDriverState *bs;
ret = bdrv_create_file(filename, NULL, NULL, &local_err);
ret = bdrv_create_file(filename, NULL, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
return ret;
@ -1658,7 +1658,7 @@ static BlockDriver bdrv_qed = {
.bdrv_open = bdrv_qed_open,
.bdrv_close = bdrv_qed_close,
.bdrv_reopen_prepare = bdrv_qed_reopen_prepare,
.bdrv_create2 = bdrv_qed_create,
.bdrv_create = bdrv_qed_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_get_block_status = bdrv_qed_co_get_block_status,
.bdrv_aio_readv = bdrv_qed_aio_readv,

10
block/raw-posix.c
View File

@ -1493,7 +1493,7 @@ static BlockDriver bdrv_file = {
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_close = raw_close,
.bdrv_create2 = raw_create,
.bdrv_create = raw_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_get_block_status = raw_co_get_block_status,
.bdrv_co_write_zeroes = raw_co_write_zeroes,
@ -1893,7 +1893,7 @@ static BlockDriver bdrv_host_device = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create2 = hdev_create,
.bdrv_create = hdev_create,
.create_opts = &raw_create_opts,
.bdrv_co_write_zeroes = hdev_co_write_zeroes,
@ -2040,7 +2040,7 @@ static BlockDriver bdrv_host_floppy = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create2 = hdev_create,
.bdrv_create = hdev_create,
.create_opts = &raw_create_opts,
.bdrv_aio_readv = raw_aio_readv,
@ -2168,7 +2168,7 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create2 = hdev_create,
.bdrv_create = hdev_create,
.create_opts = &raw_create_opts,
.bdrv_aio_readv = raw_aio_readv,
@ -2302,7 +2302,7 @@ static BlockDriver bdrv_host_cdrom = {
.bdrv_reopen_prepare = raw_reopen_prepare,
.bdrv_reopen_commit = raw_reopen_commit,
.bdrv_reopen_abort = raw_reopen_abort,
.bdrv_create2 = hdev_create,
.bdrv_create = hdev_create,
.create_opts = &raw_create_opts,
.bdrv_aio_readv = raw_aio_readv,

2
block/raw-win32.c
View File

@ -548,7 +548,7 @@ static BlockDriver bdrv_file = {
.bdrv_parse_filename = raw_parse_filename,
.bdrv_file_open = raw_open,
.bdrv_close = raw_close,
.bdrv_create2 = raw_create,
.bdrv_create = raw_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_aio_readv = raw_aio_readv,

4
block/raw_bsd.c
View File

@ -148,7 +148,7 @@ static int raw_create(const char *filename, QemuOpts *opts, Error **errp)
Error *local_err = NULL;
int ret;
ret = bdrv_create_file(filename, NULL, opts, &local_err);
ret = bdrv_create_file(filename, opts, &local_err);
if (local_err) {
error_propagate(errp, local_err);
}
@ -180,7 +180,7 @@ static BlockDriver bdrv_raw = {
.bdrv_reopen_prepare = &raw_reopen_prepare,
.bdrv_open = &raw_open,
.bdrv_close = &raw_close,
.bdrv_create2 = &raw_create,
.bdrv_create = &raw_create,
.bdrv_co_readv = &raw_co_readv,
.bdrv_co_writev = &raw_co_writev,
.bdrv_co_write_zeroes = &raw_co_write_zeroes,

2
block/rbd.c
View File

@ -928,7 +928,7 @@ static BlockDriver bdrv_rbd = {
.bdrv_needs_filename = true,
.bdrv_file_open = qemu_rbd_open,
.bdrv_close = qemu_rbd_close,
.bdrv_create2 = qemu_rbd_create,
.bdrv_create = qemu_rbd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_get_info = qemu_rbd_getinfo,
.create_opts = &qemu_rbd_create_opts,

6
block/sheepdog.c
View File

@ -2603,7 +2603,7 @@ static BlockDriver bdrv_sheepdog = {
.bdrv_needs_filename = true,
.bdrv_file_open = sd_open,
.bdrv_close = sd_close,
.bdrv_create2 = sd_create,
.bdrv_create = sd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
.bdrv_get_allocated_file_size = sd_get_allocated_file_size,
@ -2636,7 +2636,7 @@ static BlockDriver bdrv_sheepdog_tcp = {
.bdrv_needs_filename = true,
.bdrv_file_open = sd_open,
.bdrv_close = sd_close,
.bdrv_create2 = sd_create,
.bdrv_create = sd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
.bdrv_get_allocated_file_size = sd_get_allocated_file_size,
@ -2669,7 +2669,7 @@ static BlockDriver bdrv_sheepdog_unix = {
.bdrv_needs_filename = true,
.bdrv_file_open = sd_open,
.bdrv_close = sd_close,
.bdrv_create2 = sd_create,
.bdrv_create = sd_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_getlength = sd_getlength,
.bdrv_get_allocated_file_size = sd_get_allocated_file_size,

2
block/ssh.c
View File

@ -1075,7 +1075,7 @@ static BlockDriver bdrv_ssh = {
.instance_size = sizeof(BDRVSSHState),
.bdrv_parse_filename = ssh_parse_filename,
.bdrv_file_open = ssh_file_open,
.bdrv_create2 = ssh_create,
.bdrv_create = ssh_create,
.bdrv_close = ssh_close,
.bdrv_has_zero_init = ssh_has_zero_init,
.bdrv_co_readv = ssh_co_readv,

2
block/vdi.c
View File

@ -830,7 +830,7 @@ static BlockDriver bdrv_vdi = {
.bdrv_open = vdi_open,
.bdrv_close = vdi_close,
.bdrv_reopen_prepare = vdi_reopen_prepare,
.bdrv_create2 = vdi_create,
.bdrv_create = vdi_create,
.bdrv_has_zero_init = bdrv_has_zero_init_1,
.bdrv_co_get_block_status = vdi_co_get_block_status,
.bdrv_make_empty = vdi_make_empty,

4
block/vhdx.c
View File

@ -1793,7 +1793,7 @@ static int vhdx_create(const char *filename, QemuOpts *opts, Error **errp)
block_size = block_size > VHDX_BLOCK_SIZE_MAX ? VHDX_BLOCK_SIZE_MAX :
block_size;
ret = bdrv_create_file(filename, NULL, opts, &local_err);
ret = bdrv_create_file(filename, opts, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
goto exit;
@ -1922,7 +1922,7 @@ static BlockDriver bdrv_vhdx = {
.bdrv_reopen_prepare = vhdx_reopen_prepare,
.bdrv_co_readv = vhdx_co_readv,
.bdrv_co_writev = vhdx_co_writev,
.bdrv_create2 = vhdx_create,
.bdrv_create = vhdx_create,
.bdrv_get_info = vhdx_get_info,
.bdrv_check = vhdx_check,

6
block/vmdk.c
View File

@ -1539,7 +1539,7 @@ static int vmdk_create_extent(const char *filename, int64_t filesize,
uint32_t *gd_buf = NULL;
int gd_buf_size;
ret = bdrv_create_file(filename, NULL, NULL, &local_err);
ret = bdrv_create_file(filename, NULL, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
goto exit;
@ -1873,7 +1873,7 @@ static int vmdk_create(const char *filename, QemuOpts *opts, Error **errp)
if (!split && !flat) {
desc_offset = 0x200;
} else {
ret = bdrv_create_file(filename, NULL, opts, &local_err);
ret = bdrv_create_file(filename, opts, &local_err);
if (ret < 0) {
error_propagate(errp, local_err);
goto exit;
@ -2169,7 +2169,7 @@ static BlockDriver bdrv_vmdk = {
.bdrv_write_compressed = vmdk_write_compressed,
.bdrv_co_write_zeroes = vmdk_co_write_zeroes,
.bdrv_close = vmdk_close,
.bdrv_create2 = vmdk_create,
.bdrv_create = vmdk_create,
.bdrv_co_flush_to_disk = vmdk_co_flush,
.bdrv_co_get_block_status = vmdk_co_get_block_status,
.bdrv_get_allocated_file_size = vmdk_get_allocated_file_size,

2
block/vpc.c
View File

@ -896,7 +896,7 @@ static BlockDriver bdrv_vpc = {
.bdrv_open = vpc_open,
.bdrv_close = vpc_close,
.bdrv_reopen_prepare = vpc_reopen_prepare,
.bdrv_create2 = vpc_create,
.bdrv_create = vpc_create,
.bdrv_read = vpc_co_read,
.bdrv_write = vpc_co_write,

14
block/vvfat.c
View File

@ -2911,7 +2911,6 @@ static BlockDriver vvfat_write_target = {
static int enable_write_target(BDRVVVFATState *s, Error **errp)
{
BlockDriver *bdrv_qcow = NULL;
QemuOptsList *create_opts = NULL;
QemuOpts *opts = NULL;
int ret;
int size = sector2cluster(s, s->sector_count);
@ -2927,21 +2926,12 @@ static int enable_write_target(BDRVVVFATState *s, Error **errp)
}
bdrv_qcow = bdrv_find_format("qcow");
assert(!(bdrv_qcow->create_opts && bdrv_qcow->create_options));
if (bdrv_qcow->create_options) {
create_opts = params_to_opts(bdrv_qcow->create_options);
} else {
create_opts = bdrv_qcow->create_opts;
}
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
opts = qemu_opts_create(bdrv_qcow->create_opts, NULL, 0, &error_abort);
qemu_opt_set_number(opts, BLOCK_OPT_SIZE, s->sector_count * 512);
qemu_opt_set(opts, BLOCK_OPT_BACKING_FILE, "fat:");
ret = bdrv_create(bdrv_qcow, s->qcow_filename, NULL, opts, errp);
ret = bdrv_create(bdrv_qcow, s->qcow_filename, opts, errp);
qemu_opts_del(opts);
if (bdrv_qcow->create_options) {
qemu_opts_free(create_opts);
}
if (ret < 0) {
goto err;
}

8
include/block/block.h
View File

@ -204,9 +204,8 @@ BlockDriver *bdrv_find_format(const char *format_name);
BlockDriver *bdrv_find_whitelisted_format(const char *format_name,
bool readonly);
int bdrv_create(BlockDriver *drv, const char* filename,
QEMUOptionParameter *options, QemuOpts *opts, Error **errp);
int bdrv_create_file(const char* filename, QEMUOptionParameter *options,
QemuOpts *opts, Error **errp);
QemuOpts *opts, Error **errp);
int bdrv_create_file(const char *filename, QemuOpts *opts, Error **errp);
BlockDriverState *bdrv_new(const char *device_name, Error **errp);
void bdrv_make_anon(BlockDriverState *bs);
void bdrv_swap(BlockDriverState *bs_new, BlockDriverState *bs_old);
@ -312,8 +311,7 @@ typedef enum {
int bdrv_check(BlockDriverState *bs, BdrvCheckResult *res, BdrvCheckMode fix);
int bdrv_amend_options(BlockDriverState *bs_new, QEMUOptionParameter *options,
QemuOpts *opts);
int bdrv_amend_options(BlockDriverState *bs_new, QemuOpts *opts);
/* external snapshots */
bool bdrv_recurse_is_first_non_filter(BlockDriverState *bs,

18
include/block/block_int.h
View File

@ -116,10 +116,7 @@ struct BlockDriver {
const uint8_t *buf, int nb_sectors);
void (*bdrv_close)(BlockDriverState *bs);
void (*bdrv_rebind)(BlockDriverState *bs);
int (*bdrv_create)(const char *filename, QEMUOptionParameter *options,
Error **errp);
/* FIXME: will remove the duplicate and rename back to bdrv_create later */
int (*bdrv_create2)(const char *filename, QemuOpts *opts, Error **errp);
int (*bdrv_create)(const char *filename, QemuOpts *opts, Error **errp);
int (*bdrv_set_key)(BlockDriverState *bs, const char *key);
int (*bdrv_make_empty)(BlockDriverState *bs);
/* aio */
@ -218,12 +215,6 @@ struct BlockDriver {
BlockDriverCompletionFunc *cb, void *opaque);
/* List of options for creating images, terminated by name == NULL */
QEMUOptionParameter *create_options;
/* FIXME: will replace create_options.
* These two fields are mutually exclusive. At most one is non-NULL.
* create_options should only be set with bdrv_create, and create_opts
* should only be set with bdrv_create2.
*/
QemuOptsList *create_opts;
/*
@ -233,12 +224,7 @@ struct BlockDriver {
int (*bdrv_check)(BlockDriverState* bs, BdrvCheckResult *result,
BdrvCheckMode fix);
int (*bdrv_amend_options)(BlockDriverState *bs,
QEMUOptionParameter *options);
/* FIXME: will remove the duplicate and rename back to
* bdrv_amend_options later
*/
int (*bdrv_amend_options2)(BlockDriverState *bs, QemuOpts *opts);
int (*bdrv_amend_options)(BlockDriverState *bs, QemuOpts *opts);
void (*bdrv_debug_event)(BlockDriverState *bs, BlkDebugEvent event);

48
include/qemu/option.h
View File

@ -31,25 +31,6 @@
#include "qapi/error.h"
#include "qapi/qmp/qdict.h"
enum QEMUOptionParType {
OPT_FLAG,
OPT_NUMBER,
OPT_SIZE,
OPT_STRING,
};
typedef struct QEMUOptionParameter {
const char *name;
enum QEMUOptionParType type;
union {
uint64_t n;
char* s;
} value;
const char *help;
bool assigned;
} QEMUOptionParameter;
const char *get_opt_name(char *buf, int buf_size, const char *p, char delim);
const char *get_opt_value(char *buf, int buf_size, const char *p);
int get_next_param_value(char *buf, int buf_size,
@ -58,32 +39,11 @@ int get_param_value(char *buf, int buf_size,
const char *tag, const char *str);
/*
* The following functions take a parameter list as input. This is a pointer to
* the first element of a QEMUOptionParameter array which is terminated by an
* entry with entry->name == NULL.
*/
QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
const char *name);
int set_option_parameter(QEMUOptionParameter *list, const char *name,
const char *value);
int set_option_parameter_int(QEMUOptionParameter *list, const char *name,
uint64_t value);
QEMUOptionParameter *append_option_parameters(QEMUOptionParameter *dest,
QEMUOptionParameter *list);
QEMUOptionParameter *parse_option_parameters(const char *param,
QEMUOptionParameter *list, QEMUOptionParameter *dest);
void parse_option_size(const char *name, const char *value,
uint64_t *ret, Error **errp);
void free_option_parameters(QEMUOptionParameter *list);
void print_option_parameters(QEMUOptionParameter *list);
void print_option_help(QEMUOptionParameter *list);
bool has_help_option(const char *param);
bool is_valid_option_list(const char *param);
/* ------------------------------------------------------------------ */
typedef struct QemuOpt QemuOpt;
typedef struct QemuOpts QemuOpts;
typedef struct QemuOptsList QemuOptsList;
@ -175,12 +135,6 @@ int qemu_opts_foreach(QemuOptsList *list, qemu_opts_loopfunc func, void *opaque,
int abort_on_failure);
void qemu_opts_print_help(QemuOptsList *list);
void qemu_opts_free(QemuOptsList *list);
QEMUOptionParameter *opts_to_params(QemuOpts *opts);
QemuOptsList *params_to_opts(QEMUOptionParameter *list);
/* FIXME: will remove QEMUOptionParameter after all drivers switch to QemuOpts.
*/
QemuOptsList *qemu_opts_append(QemuOptsList *dst,
QemuOptsList *list,
QEMUOptionParameter *param);
QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
#endif

19
qemu-img.c
View File

@ -280,8 +280,7 @@ static int print_block_option_help(const char *filename, const char *fmt)
return 1;
}
create_opts = qemu_opts_append(create_opts, drv->create_opts,
drv->create_options);
create_opts = qemu_opts_append(create_opts, drv->create_opts);
if (filename) {
proto_drv = bdrv_find_protocol(filename, true);
if (!proto_drv) {
@ -289,8 +288,7 @@ static int print_block_option_help(const char *filename, const char *fmt)
qemu_opts_free(create_opts);
return 1;
}
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts,
proto_drv->create_options);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
}
qemu_opts_print_help(create_opts);
@ -1381,10 +1379,8 @@ static int img_convert(int argc, char **argv)
goto out;
}
create_opts = qemu_opts_append(create_opts, drv->create_opts,
drv->create_options);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts,
proto_drv->create_options);
create_opts = qemu_opts_append(create_opts, drv->create_opts);
create_opts = qemu_opts_append(create_opts, proto_drv->create_opts);
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
if (options && qemu_opts_do_parse(opts, options, NULL)) {
@ -1437,7 +1433,7 @@ static int img_convert(int argc, char **argv)
if (!skip_create) {
/* Create the new image */
ret = bdrv_create(drv, out_filename, NULL, opts, &local_err);
ret = bdrv_create(drv, out_filename, opts, &local_err);
if (ret < 0) {
error_report("%s: error while converting %s: %s",
out_filename, out_fmt, error_get_pretty(local_err));
@ -2766,8 +2762,7 @@ static int img_amend(int argc, char **argv)
goto out;
}
create_opts = qemu_opts_append(create_opts, bs->drv->create_opts,
bs->drv->create_options);
create_opts = qemu_opts_append(create_opts, bs->drv->create_opts);
opts = qemu_opts_create(create_opts, NULL, 0, &error_abort);
if (options && qemu_opts_do_parse(opts, options, NULL)) {
error_report("Invalid options for file format '%s'", fmt);
@ -2775,7 +2770,7 @@ static int img_amend(int argc, char **argv)
goto out;
}
ret = bdrv_amend_options(bs, NULL, opts);
ret = bdrv_amend_options(bs, opts);
if (ret < 0) {
error_report("Error while amending options: %s", strerror(-ret));
goto out;

427
util/qemu-option.c
View File

@ -123,22 +123,6 @@ int get_param_value(char *buf, int buf_size,
return get_next_param_value(buf, buf_size, tag, &str);
}
/*
* Searches an option list for an option with the given name
*/
QEMUOptionParameter *get_option_parameter(QEMUOptionParameter *list,
const char *name)
{
while (list && list->name) {
if (!strcmp(list->name, name)) {
return list;
}
list++;
}
return NULL;
}
static void parse_option_bool(const char *name, const char *value, bool *ret,
Error **errp)
{
@ -226,244 +210,6 @@ void parse_option_size(const char *name, const char *value,
}
}
/*
* Sets the value of a parameter in a given option list. The parsing of the
* value depends on the type of option:
*
* OPT_FLAG (uses value.n):
* If no value is given, the flag is set to 1.
* Otherwise the value must be "on" (set to 1) or "off" (set to 0)
*
* OPT_STRING (uses value.s):
* value is strdup()ed and assigned as option value
*
* OPT_SIZE (uses value.n):
* The value is converted to an integer. Suffixes for kilobytes etc. are
* allowed (powers of 1024).
*
* Returns 0 on succes, -1 in error cases
*/
int set_option_parameter(QEMUOptionParameter *list, const char *name,
const char *value)
{
bool flag;
Error *local_err = NULL;
// Find a matching parameter
list = get_option_parameter(list, name);
if (list == NULL) {
fprintf(stderr, "Unknown option '%s'\n", name);
return -1;
}
// Process parameter
switch (list->type) {
case OPT_FLAG:
parse_option_bool(name, value, &flag, &local_err);
if (!local_err) {
list->value.n = flag;
}
break;
case OPT_STRING:
if (value != NULL) {
list->value.s = g_strdup(value);
} else {
fprintf(stderr, "Option '%s' needs a parameter\n", name);
return -1;
}
break;
case OPT_SIZE:
parse_option_size(name, value, &list->value.n, &local_err);
break;
default:
fprintf(stderr, "Bug: Option '%s' has an unknown type\n", name);
return -1;
}
if (local_err) {
qerror_report_err(local_err);
error_free(local_err);
return -1;
}
list->assigned = true;
return 0;
}
/*
* Sets the given parameter to an integer instead of a string.
* This function cannot be used to set string options.
*
* Returns 0 on success, -1 in error cases
*/
int set_option_parameter_int(QEMUOptionParameter *list, const char *name,
uint64_t value)
{
// Find a matching parameter
list = get_option_parameter(list, name);
if (list == NULL) {
fprintf(stderr, "Unknown option '%s'\n", name);
return -1;
}
// Process parameter
switch (list->type) {
case OPT_FLAG:
case OPT_NUMBER:
case OPT_SIZE:
list->value.n = value;
break;
default:
return -1;
}
list->assigned = true;
return 0;
}
/*
* Frees a option list. If it contains strings, the strings are freed as well.
*/
void free_option_parameters(QEMUOptionParameter *list)
{
QEMUOptionParameter *cur = list;
while (cur && cur->name) {
if (cur->type == OPT_STRING) {
g_free(cur->value.s);
}
cur++;
}
g_free(list);
}
/*
* Count valid options in list
*/
static size_t count_option_parameters(QEMUOptionParameter *list)
{
size_t num_options = 0;
while (list && list->name) {
num_options++;
list++;
}
return num_options;
}
/*
* Append an option list (list) to an option list (dest).
*
* If dest is NULL, a new copy of list is created.
*
* Returns a pointer to the first element of dest (or the newly allocated copy)
*/
QEMUOptionParameter *append_option_parameters(QEMUOptionParameter *dest,
QEMUOptionParameter *list)
{
size_t num_options, num_dest_options;
num_options = count_option_parameters(dest);
num_dest_options = num_options;
num_options += count_option_parameters(list);
dest = g_realloc(dest, (num_options + 1) * sizeof(QEMUOptionParameter));
dest[num_dest_options].name = NULL;
while (list && list->name) {
if (get_option_parameter(dest, list->name) == NULL) {
dest[num_dest_options++] = *list;
dest[num_dest_options].name = NULL;
}
list++;
}
return dest;
}
/*
* Parses a parameter string (param) into an option list (dest).
*
* list is the template option list. If dest is NULL, a new copy of list is
* created. If list is NULL, this function fails.
*
* A parameter string consists of one or more parameters, separated by commas.
* Each parameter consists of its name and possibly of a value. In the latter
* case, the value is delimited by an = character. To specify a value which
* contains commas, double each comma so it won't be recognized as the end of
* the parameter.
*
* For more details of the parsing see above.
*
* Returns a pointer to the first element of dest (or the newly allocated copy)
* or NULL in error cases
*/
QEMUOptionParameter *parse_option_parameters(const char *param,
QEMUOptionParameter *list, QEMUOptionParameter *dest)
{
QEMUOptionParameter *allocated = NULL;
char name[256];
char value[256];
char *param_delim, *value_delim;
char next_delim;
int i;
if (list == NULL) {
return NULL;
}
if (dest == NULL) {
dest = allocated = append_option_parameters(NULL, list);
}
for (i = 0; dest[i].name; i++) {
dest[i].assigned = false;
}
while (*param) {
// Find parameter name and value in the string
param_delim = strchr(param, ',');
value_delim = strchr(param, '=');
if (value_delim && (value_delim < param_delim || !param_delim)) {
next_delim = '=';
} else {
next_delim = ',';
value_delim = NULL;
}
param = get_opt_name(name, sizeof(name), param, next_delim);
if (value_delim) {
param = get_opt_value(value, sizeof(value), param + 1);
}
if (*param != '\0') {
param++;
}
// Set the parameter
if (set_option_parameter(dest, name, value_delim ? value : NULL)) {
goto fail;
}
}
return dest;
fail:
// Only free the list if it was newly allocated
free_option_parameters(allocated);
return NULL;
}
bool has_help_option(const char *param)
{
size_t buflen = strlen(param) + 1;
@ -513,46 +259,6 @@ out:
return result;
}
/*
* Prints all options of a list that have a value to stdout
*/
void print_option_parameters(QEMUOptionParameter *list)
{
while (list && list->name) {
switch (list->type) {
case OPT_STRING:
if (list->value.s != NULL) {
printf("%s='%s' ", list->name, list->value.s);
}
break;
case OPT_FLAG:
printf("%s=%s ", list->name, list->value.n ? "on" : "off");
break;
case OPT_SIZE:
case OPT_NUMBER:
printf("%s=%" PRId64 " ", list->name, list->value.n);
break;
default:
printf("%s=(unknown type) ", list->name);
break;
}
list++;
}
}
/*
* Prints an overview of all available options
*/
void print_option_help(QEMUOptionParameter *list)
{
printf("Supported options:\n");
while (list && list->name) {
printf("%-16s %s\n", list->name,
list->help ? list->help : "No description available");
list++;
}
}
void qemu_opts_print_help(QemuOptsList *list)
{
QemuOptDesc *desc;
@ -1369,121 +1075,6 @@ static size_t count_opts_list(QemuOptsList *list)
return num_opts;
}
/* Convert QEMUOptionParameter to QemuOpts
* FIXME: this function will be removed after all drivers
* switch to QemuOpts
*/
QemuOptsList *params_to_opts(QEMUOptionParameter *list)
{
QemuOptsList *opts = NULL;
size_t num_opts, i = 0;
if (!list) {
return NULL;
}
num_opts = count_option_parameters(list);
opts = g_malloc0(sizeof(QemuOptsList) +
(num_opts + 1) * sizeof(QemuOptDesc));
QTAILQ_INIT(&opts->head);
/* (const char *) members will point to malloced space and need to free */
opts->allocated = true;
while (list && list->name) {
opts->desc[i].name = g_strdup(list->name);
opts->desc[i].help = g_strdup(list->help);
switch (list->type) {
case OPT_FLAG:
opts->desc[i].type = QEMU_OPT_BOOL;
opts->desc[i].def_value_str =
g_strdup(list->value.n ? "on" : "off");
break;
case OPT_NUMBER:
opts->desc[i].type = QEMU_OPT_NUMBER;
if (list->value.n) {
opts->desc[i].def_value_str =
g_strdup_printf("%" PRIu64, list->value.n);
}
break;
case OPT_SIZE:
opts->desc[i].type = QEMU_OPT_SIZE;
if (list->value.n) {
opts->desc[i].def_value_str =
g_strdup_printf("%" PRIu64, list->value.n);
}
break;
case OPT_STRING:
opts->desc[i].type = QEMU_OPT_STRING;
opts->desc[i].def_value_str = g_strdup(list->value.s);
break;
}
i++;
list++;
}
return opts;
}
/* convert QemuOpts to QEMUOptionParameter
* Note: result QEMUOptionParameter has shorter lifetime than
* input QemuOpts.
* FIXME: this function will be removed after all drivers
* switch to QemuOpts
*/
QEMUOptionParameter *opts_to_params(QemuOpts *opts)
{
QEMUOptionParameter *dest = NULL;
QemuOptDesc *desc;
size_t num_opts, i = 0;
const char *tmp;
if (!opts || !opts->list || !opts->list->desc) {
return NULL;
}
assert(!opts_accepts_any(opts));
num_opts = count_opts_list(opts->list);
dest = g_malloc0((num_opts + 1) * sizeof(QEMUOptionParameter));
desc = opts->list->desc;
while (desc && desc->name) {
dest[i].name = desc->name;
dest[i].help = desc->help;
dest[i].assigned = qemu_opt_find(opts, desc->name) ? true : false;
switch (desc->type) {
case QEMU_OPT_STRING:
dest[i].type = OPT_STRING;
tmp = qemu_opt_get(opts, desc->name);
dest[i].value.s = g_strdup(tmp);
break;
case QEMU_OPT_BOOL:
dest[i].type = OPT_FLAG;
dest[i].value.n = qemu_opt_get_bool(opts, desc->name, 0) ? 1 : 0;
break;
case QEMU_OPT_NUMBER:
dest[i].type = OPT_NUMBER;
dest[i].value.n = qemu_opt_get_number(opts, desc->name, 0);
break;
case QEMU_OPT_SIZE:
dest[i].type = OPT_SIZE;
dest[i].value.n = qemu_opt_get_size(opts, desc->name, 0);
break;
}
i++;
desc++;
}
return dest;
}
void qemu_opts_free(QemuOptsList *list)
{
/* List members point to new malloced space and need to be freed.
@ -1504,27 +1095,20 @@ void qemu_opts_free(QemuOptsList *list)
g_free(list);
}
/* Realloc dst option list and append options either from an option list (list)
* or a QEMUOptionParameter (param) to it. dst could be NULL or a malloced list.
* FIXME: will remove QEMUOptionParameter after all drivers switch to QemuOpts.
/* Realloc dst option list and append options from an option list (list)
* to it. dst could be NULL or a malloced list.
*/
QemuOptsList *qemu_opts_append(QemuOptsList *dst,
QemuOptsList *list,
QEMUOptionParameter *param)
QemuOptsList *list)
{
size_t num_opts, num_dst_opts;
QemuOptDesc *desc;
bool need_init = false;
assert(!(list && param));
if (!param && !list) {
if (!list) {
return dst;
}
if (param) {
list = params_to_opts(param);
}
/* If dst is NULL, after realloc, some area of dst should be initialized
* before adding options to it.
*/
@ -1565,8 +1149,5 @@ QemuOptsList *qemu_opts_append(QemuOptsList *dst,
}
}
if (param) {
qemu_opts_free(list);
}
return dst;
}